bindings/spi/arm%2Cpl022-peripheral-props.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/spi/arm,pl022-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for Arm PL022 SPI controller
10   - Linus Walleij <linus.walleij@linaro.org>
19       - 0      # SPI
20       - 1      # Texas Instruments Synchronous Serial Frame Format
21       - 2      # Microwire (Half Duplex)
23   pl022,com-mode:
27       - 0      # interrupt mode
28       - 1      # polling mode
29       - 2      # DMA mode
32   pl022,rx-level-trig:
33     description: Rx FIFO watermark level
38   pl022,tx-level-trig:
39     description: Tx FIFO watermark level
44   pl022,ctrl-len:
45     description: Microwire interface - Control length
50   pl022,wait-state:
51     description: Microwire interface - Wait state
56     description: Microwire interface - Full/Half duplex